40 CFR 421.233 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.

§ 421.233 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable:
(a) Raw material dust control.
BAT Limitations for the Primary Nickel and Cobalt Subcategory
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/kg (pounds per million pounds) of copper, nickel, and cobalt in the crushed raw material
Copper 0.099 0.047
Nickel 0.042 0.028
Ammonia (as N) 10.260 4.512
Cobalt 0.011 0.005
(b) Nickel wash water.
BAT Limitations for the Primary Nickel and Cobalt Subcategory
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/kg (pounds per million pounds) of nickel powder washed
Copper 0.043 0.021
Nickel 0.019 0.013
Ammonia (as N) 4.515 1.985
Cobalt 0.005 0.002
(c) Nickel reduction decant.
BAT Limitations for the Primary Nickel and Cobalt Subcategory
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/kg (pounds per million pounds) of nickel produced
Copper 16.250 7.744
Nickel 6.982 4.697
Ammonia (as N) 1,692.000 743.900
Cobalt 1.777 0.889
(d) Cobalt reduction decant.
BAT Limitations for the Primary Nickel and Cobalt Subcategory
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/kg (pounds per million pounds) of cobalt produced
Copper 27.390 13.050
Nickel 11.770 7.917
Ammonia (as N) 2,852.000 1,254.000
Cobalt 2.996 1.498
[50 FR 38359, Sept. 20, 1985; 50 FR 41144, Oct. 9, 1985]

Title 40 published on 2014-07-01

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